Equivalent & Substitute Parts for Renesas Electronics 661GILFT Clock Generator

Part Overview

The Renesas Electronics 661GILFT is a Clock Generator and Clock Synchronizer IC designed for 73.728MHz applications in 16-TSSOP surface mount packaging. This component features integrated Phase-Locked Loop (PLL) with bypass capability, supporting clock and crystal inputs with clock outputs. The part is classified as obsolete, making identification of functionally equivalent substitute components essential for ongoing system support and new design implementations.

Substiute Parts

661GILFT

Renesas Electronics CorporationIn Stock: 2270661GILFT Datasheet

Current PartRFQ

5P35021-000NDG28

Renesas Electronics CorporationIn Stock: 7295P35021-000NDG28 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 661GILFT clock generator is determined by the following critical parameters:

• Frequency Range: Maximum operating frequency of 73.728MHz or higher
• PLL Functionality: Presence of Phase-Locked Loop with bypass capability
• Input/Output Configuration: Support for clock and crystal inputs with clock outputs
• Supply Voltage: 3V to 3.6V operating range
• Package Type: 16-TSSOP surface mount package compatibility
• Temperature Range: -40°C to 85°C operating specification
• Compliance Standards: RoHS3 compliance and REACH unaffected status

The substitute part 5P35021-000NDG28 from Renesas Electronics Corporation is classified as an active product within the Clock/Timing category, providing continuity of supply and technical support compared to the obsolete 661GILFT.

Parameter Comparison

Engineering Selection Recommendations

Selection of the 5P35021-000NDG28 as a substitute for the 661GILFT is supported by the following factors:

• Manufacturer Continuity: Both components are manufactured by Renesas Electronics Corporation, ensuring consistent design philosophy and support infrastructure
• Product Status: The substitute part maintains active product status, providing ongoing availability and technical documentation support
• Compliance Alignment: Both components maintain REACH unaffected status, satisfying regulatory requirements for equivalent applications
• Category Classification: Both components are classified within the Clock/Timing category, confirming functional equivalence in system applications

The transition from the obsolete 661GILFT to the active 5P35021-000NDG28 ensures long-term supply chain stability and access to manufacturer technical resources.

Frequently Asked Questions (FAQ)

Q: What makes the 5P35021-000NDG28 a suitable substitute for the 661GILFT?

A: Both components are Renesas Electronics clock generator products within the Clock/Timing category. The substitute part is active in production, whereas the original part is obsolete. Substitution is based on matching functional classification and compliance standards.

Q: Are there package compatibility considerations between these parts?

A: Package specifications for the 5P35021-000NDG28 are not detailed in the provided data. Physical package compatibility must be verified against the original 16-TSSOP (0.173", 4.40mm Width) specification before implementation.

Q: What compliance certifications apply to both parts?

A: Both the 661GILFT and 5P35021-000NDG28 maintain REACH unaffected status. The 661GILFT is confirmed ROHS3 compliant; RoHS status for the substitute part requires verification against current manufacturer documentation.

Q: Why is the original part classified as obsolete?

A: The 661GILFT is listed as obsolete by the manufacturer, indicating discontinued production. This classification necessitates identification of active substitute components for ongoing system support and new design implementations.

Q: Should electrical parameter matching be verified before substitution?

A: Detailed electrical parameters for the 5P35021-000NDG28 are not provided in this reference. Complete technical specifications including frequency range, supply voltage, and operating temperature must be obtained from the manufacturer datasheet to confirm functional equivalence.